Dyuzhenkov Ivan

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

289 place (47.50).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (96.77 * 3.10 * 1 + 78.43 * 3.05 * 1 + 0 + 0 + 0) / (3.10 * 1 + 3.05 * 1 + 1 + 1 + 1) = 58.93114754098361

p2 = (96.77 * 3.10 * 1 + 78.43 * 3.05 * 1) / max_coefficients = 36.06822742474917

score = 58.93114754098361 * 0.5 + 36.06822742474917 * 0.5 = 47.49968748286639

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 286 -> 289 47.50
2025-12-06 281 -> 286 47.50
2025-12-04 280 -> 281 47.50
2025-11-30 279 -> 280 47.50
2025-11-25 280 -> 279 47.50
2025-11-04 276 -> 280 48.32 -> 47.50
2025-11-01 276 48.25 -> 48.32
2025-10-22 278 -> 276 48.25
2025-10-13 278 47.68 -> 48.25
2025-09-30 279 -> 278 47.68

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 78 2025-02-02 48/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
2 97 2025-01-07 29/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow